Kensington Orbit Wireless Mobile Track Ball

With no wires to tie you down, this 2.4 GHz Wireless Mobile Trackball with storable nano receiver works wherever you do, at your home, office or on the road. Plug and play with no drivers needed. Distinctive centered-ball design gives you more comfort and precision. Its unique touch scrolling lets you glide effortlessly through web pages and documents. Offers ambidextrous design for left or right handed users. Works with TrackballWorks software for customized experience. Wireless trackball is both PC and Mac compatible.